Field vegetable fungicide Rudis has gained approval for use on brussels sprouts.
The Allium and Brassica Centre’s Andy Richardson said: “Our trials have shown it to combine strong protectant and eradicant activity against all four major leaf spot diseases of sprouts, as well as powdery mildew. Rudis’ label extension is good news for growers, as sprouts are the most difficult brassica crop to control fungal diseases in and the armoury has become limited in recent years.”
In the case of leeks and cabbages, the maximum individual dose permitted on sprouts is 0.4l/ha and it is approved for three applications per crop. Latest time of application is 21 days before harvest.
Nathan Whitehouse, Bayer CropScience’s product manager for fruit and vegetable crops, says the tzt technology in Rudis is distinctly different to that of the DMI products growers have been relying on recently.
He added: “Rudis adds a third dimension to disease control. Being a new generation DMI it’s unique in delivering greening and physiological yield effects in the same league as strobilurins. Its tzt technology brings much-needed freedom to access these benefits, while keeping programmes within QoI resistance management guidelines.”
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